[linux] HDIO_SET_DMA failed: Operation not permitted

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Středa Červenec 28 14:28:20 CEST 2004


Pekny den

#hdparm -d1 -X33 /dev/hda

/dev/hda:
  setting using_dma to 1 (on)
  HDIO_SET_DMA failed: Operation not permitted
  setting xfermode to 33 (multiword DMA mode1)
  using_dma    =  0 (off)



/dev/hda:
  Timing buffer-cache reads:   128 MB in  2.71 seconds = 47.23 MB/sec
  Timing buffered disk reads:  64 MB in 12.43 seconds =  5.15 MB/sec


/dev/hda:
  multcount    = 16 (on)
  I/O support  =  0 (default 16-bit)
  unmaskirq    =  0 (off)
  using_dma    =  0 (off)
  keepsettings =  0 (off)
  nowerr       =  0 (off)
  readonly     =  0 (off)
  readahead    =  8 (on)
  geometry     = 525/255/63, sectors = 8448300, start = 0
  busstate     =  1 (on)


processor       : 0
vendor_id       : GenuineIntel
cpu family      : 5
model           : 4
model name      : Pentium MMX
stepping        : 3
cpu MHz         : 233.033
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : yes
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 1
wp              : yes
flags           : fpu vme de pse tsc msr mce cx8 mmx
bogomips        : 465.30


/proc/ide/ide0/hda/cache - 0 -- HDD ma real 512kb



4GB, P233MMX, TX/VX chipset, 64MB - domaci squid, FTP ...

Pri hocakej praci s HDD je to silene pomale.

Dik za rady

Peto




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